Pump Output

Bbl/STK, Gal/STK

What is the pump output (Q) in barrels per stroke (bbl/STK) and gallons per stroke (gal/STK at 94% volumetric efficiency?)

A National 10-P-130 which has a 10-in. stroke (with a 5-1/2 in. liner at 100% volumetric efficiency) will deliver 3.0996 gal/STK.

Table 2

Triplex Single Acting Mud Pump Capacities Per Cycle Barrels per Stroke -100% Volumetric Efficiency

Liner Size

7

7-1/2

8

9 9-1/4

10

11

12

3

0.0153

0.0164

0.0175

0.0186

0.0197

0.0202

0.0219

0.024

0.0262

3-1/4

0.01795

0.0192

0.0205

0.0218

0.0231

0.0237

0.0257

0.0283

0.0307

3-1/2

0.0208

0.0223

0.0238

0.0252

0.0267

0.0276

0.0298

0.0326

0.0357

3-3/4

0.0238

0.0257

0.0273

0.0290

0.0307

0.0317

0.034

0.0376

0.0408

4

0.0271

0.029

0.0311

0.033

0.035

0.036

0.0388

0.0429

0.0467

4-1/4

0.0307

0.0328

0.035

0.0374

0.0395

0.0404

0.0438

0.0483

0.0526

4-1/2

0.0345

0.0369

0.0392

0.0419

0.0443

0.0455

0.0493

0.054

0.059

4-3/4

0.0383

0.0411

0.0438

0.0466

0.0493

0.0507

0.0547

0.0602

0.0657

5

0.0426

0.0455

0.0486

0.0517

0.0548

0.0562

0.0607

0.0669

0.0729

5-1/4

0.0469

0.0502

0.0535

0.0569

0.0602

0.062

0.0669

0.0736

0.0807

5-1/2

0.0514

0.044

0.0488

0.0624

0.0661

0.0678

0.0738

0.0807

0.088

5-3/4

0.0562

0.0602

0.0643

0.0683

0.0721

0.0743

0.0802

0.0883

0.0964

6

0.0611

0.0655

0.070

0.0743

0.0786

0.0809

0.0874

0.0961

0.105

6-1/4

0.0664

0.0712

0.0759

0.0807

0.0855

0.0878

0.0948

0.1043

0.1138

6-1/2

0.0719

0.0770

0.0821

0.0871

0.0924

0.0949

0.1026

0.1129

0.123

6-3/4

0.0774

0.083

0.0886

0.094

0.0995

0.1023

0.1107

0.1217

0.1328

7

0.0833

0.0893

0.0952

0.101

0.1071

0.11

0.119

0.131

0.143

Table 3

Duplex Double-Acting Mud Pump Capacities Per Cycle Barrels per Revolution - 90% Volume Efficiency - Rods Deducted

Diameter

Liner

Inches

Area Sq. In.

Stroke 12" Rods 2"

Stroke 14" Rods 2"

Stroke 15" Rods 2-1/4"

Stroke 16" Rods 2-1/4"

Stroke 18" Rods 2-1/2"

Stroke 20" Rods 2-1/2"

4

12.566

0.0495

0.0577

4-1/4

14.186

0.0562

0.0655

4-1/2

15.904

0.0637

0.0743

0.0773

0.0868

0.0896

0.0996

4-3/4

17.720

0.0719

0.0838

0.0875

0.0934

0.1019

0.1133

5

19.635

0.0804

0.0938

0.0982

0.1047

0.1147

0.1275

5-1/4

21.647

0.0894

0.1042

0.1093

0.1166

0.1281

0.1424

5-1/2

23.748

0.0988

0.1151

0.1212

0.1292

0.1423

0.1581

5-3/4

25.967

0.1086

0.1268

0.1337

0.1423

0.1570

0.1745

6

28.274

0.1189

0.1388

0.1461

0.1560

0.1725

0.1916

6-1/4

30.680

0.1296

0.1513

0.1599

0.1703

0.1885

0.2095

6-1/2

33.183

0.1408

0.1640

0.1736

0.1852

0.2052

0.2280

6-3/4

35.785

0.1523

0.1777

0.1881

0.2006

0.2226

0.2474

7

38.484

0.1644

0.1917

0.2031

0.2166

0.2406

0.2674

7-1/4

41.282

0.1768

0.2062

0.2187

0.2332

0.2593

0.2882

7-1/2

44.179

0.2348

0.2504

0.2787

0.3096

7-3/4

47.186

0.2514

0.2682

0.2987

0.3319

Therefore, at 94% volumetric efficiency:

  1. (30.0996 gal/STK) (0.94) = 2.90037 gal/STK
  2. (0.0738 bbl/STK) (0.94) = 0.0694 bbl/STK

[Figure 5]

Figure 5 Pump Output

Figure 5 Pump Output

Bbl/Min, Gal/Min

What is the pump output for each pump at 110 SPM?

The pump output (Q) for each pump at 110 SPM is equal to:

a. Q, bbl/min = (SPM)( bbl/STK)

  • 110)(0.0694) = 7.634 bbl/min b. Q, gal/min = (Q, bbl/min)( 42 gal/bbl)
  • 7.5966)(42) = 320 gal/min
  • Figure 5]
  • Figure 5]

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Responses

  • Nadia
    How do you figure barrels per stroke?
    8 years ago
  • Tarquinia
    How to check efficiancy of a National P 220 14" stroke pump?
    7 years ago
  • ulla
    What is the average bbls per stroke on a mud pump?
    7 years ago
  • KENZIE
    What is the formula for barrels per stroke on a fluid pump?
    7 years ago
  • Jani
    How to calculate the volumetric output of a mud pump?
    3 months ago
  • natan watt
    How to calculate how many barrel mud pump per stroke?
    2 months ago

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